package com.peng.dao;

import com.peng.entity.Department;
import com.peng.entity.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

//员工dao
@Repository
public class EmployeeDao {
    //1 模拟数据库中的数据
    private static Map<Integer, Employee> employees=null;
    //员工有所属的部门
    @Autowired
    private DepartmentDao departmentDao;
    static {
        employees=new HashMap<Integer, Employee>();//创建一个部门表
        employees.put(101,new Employee(1001,"aa","123456@qq.com",0,new Department(101,"教学部")));
        employees.put(102,new Employee(1002,"bb","123123@qq.com",1,new Department(102,"市场部")));
        employees.put(103,new Employee(1003,"cc","123543@qq.com",0,new Department(103,"后勤部")));
        employees.put(104,new Employee(1004,"dd","435656@qq.com",1,new Department(104,"研发部")));
        employees.put(105,new Employee(1005,"ee","676556@qq.com",0,new Department(105,"测试部")));
        employees.put(106,new Employee(1006,"ff","787878@qq.com",1,new Department(106,"运营部")));
    }
    //主键自增！！
    private static Integer initId=1007;

    //增加一个员工
    public void save(Employee employee){
        if(employee.getId()==null){
            employee.setId(initId++);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getId()));
        employees.put(employee.getId(),employee);
    }

    //查询全部员工
    public Collection<Employee> getAll(){
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }

    //删除员工
    public void delete(Integer id){
        employees.remove(id);
    }
}
